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Wear mechanisms of ...
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Bushlya, VolodymyrLund University,Lunds universitet,Industriell Produktion,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Production and Materials Engineering,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH
(författare)
Wear mechanisms of silicon carbide-whisker-reinforced alumina (Al2O3-SiCw) cutting tools when high-speed machining aged Alloy 718
- Artikel/kapitelEngelska2013
Förlag, utgivningsår, omfång ...
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2013-03-26
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Springer Science and Business Media LLC,2013
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:75f56cfb-d0cd-49ad-a5a4-d830bd570b22
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https://lup.lub.lu.se/record/4101976URI
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https://doi.org/10.1007/s00170-013-4899-8DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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The paper is aimed at the identification and characterization of wear mechanisms of SiC whisker-reinforced alumina when turning aged Alloy 718 under different cutting conditions and when machining dry and with coolant. Secondary and backscatter electron microscopy accompanied by focus ion beam milling and EDX techniques were used for analysis of worn-out tools. Notch wear on the major cutting edge was found to consist of two notches: depth-of-cut notch and secondary notch located outside the chip area. The last was found to be governed by adhesion and attrition associated with adverse chip flow conditions. Formation of a minor notch was related to attrition by the defects found on the machined surface. Diffusion of Ni, Fe, and Cr into SiC whiskers was found to degrade them and facilitate adhesion. Chemical wear mechanisms were found to be responsible for degradation and decomposition of whiskers and formation of tribolayer on tool surfaces, which in turn was related to the reduced adhesion of Alloy 718 on the tool. Cracking on the tool rake and localized plastic deformation were found to further accelerate tool deterioration.
Ämnesord och genrebeteckningar
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Zhou, JinmingLund University,Lunds universitet,Industriell Produktion,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Production and Materials Engineering,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)mtov-jzh
(författare)
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Avdovic, Pajazit
(författare)
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Ståhl, Jan-EricLund University,Lunds universitet,Industriell Produktion,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Production and Materials Engineering,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)mtov-jst
(författare)
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Industriell ProduktionInstitutionen för maskinvetenskaper
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:International Journal of Advanced Manufacturing Technology: Springer Science and Business Media LLC68:5-8, s. 1083-10930268-37681433-3015
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